<?PHP	global $CFG;    $nomoodlecookie = true;     require_once('../../config.php');    require_once($CFG->libdir.'/filelib.php');	$course = required_param('course', PARAM_INT);	$podcast = required_param('podcast', PARAM_INT);    $lifetime = 3600;		$path = $CFG->dirroot."/mod/podcast/publication/".$course."/";	$file = "rss".$podcast.".xml";	send_file($path.$file, $file , $lifetime);	?>